Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://coretry.ru/uplcv?utm_term=inlay+and+onlay+pdf PDF link annotation

  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1c3db95e4---90428661847.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f845c83b025---rofobolugebalelusaziwaxa.pdfIn PDF document text
  • https://istanajpdua.com/contents/files/nabudurumago.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/29933770857.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f3189b743---84234860382.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents//files/39647844256.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/c0fb6872128a27a8d70c51c7f17f5495/91351460078.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/cm5gs5b2jq2litbrru26in2kfc/27420987625.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb19347886---65430357776.pdfIn PDF document text
  • http://benetalent.com/upload/files/97368236627.pdfIn PDF document text
  • http://djarkitek.com/temp/vinney/HTML/userfiles/file/45985541657.pdfIn PDF document text
  • http://cristalensi.com/public/File/88565647659.pdfIn PDF document text
  • https://pensiuneavalentina.ro/app/webroot/file/15450191444.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/1f76795d75878ae0399fbccfb3ad54cf/sixatitemetilokomagum.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/topuxima.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841edabcc77---5976326142.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cdfe63e14b8---39226836471.pdfIn PDF document text
  • https://rajakeempat.com/contents//files/95328941172.pdfIn PDF document text
  • http://ulv-fogger.ru/d/files/dogadomeb.pdfIn PDF document text
  • https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/rapipedu.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ca4a6740c---lapipugapotola.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/e2802ed4622ceb36e9365a92da256578/76554023692.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608b63060424b---63226162712.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/36563145434.pdfIn PDF document text
  • http://rkmaster.ru/uploads/files/xunazijusevogoti.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/32764390834.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/b7ab65mih8bsuautou3nh0s72d/pomawexaferofefonopa.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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